42635659344 has 40 divisors (see below), whose sum is σ = 111650925312. Its totient is φ = 14017201920.

The previous prime is 42635659343. The next prime is 42635659373. The reversal of 42635659344 is 44395653624.

It is a super-2 number, since 2×42635659344² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42635659343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6080352 + ... + 6087359.

Almost surely, 2^42635659344 is an apocalyptic number.

It is an amenable number.

42635659344 is an abundant number, since it is smaller than the sum of its proper divisors (69015265968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42635659344 is a wasteful number, since it uses less digits than its factorization.

42635659344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12167795 (or 12167789 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 51.

The spelling of 42635659344 in words is "forty-two billion, six hundred thirty-five million, six hundred fifty-nine thousand, three hundred forty-four".